Body weight and sex effects on digesta mean retention time in growing Saanen goats
Despite the important role of digesta mean retention time (MRT) on digestive efficiency of ruminants, it is poorly investigated in total gastrointestinal tract (GIT) of growing ruminants, especially in goats. The objective of this study was to evaluate the effect of body weight (BW) and sex on GIT M...
| Autores: | , , , , , , , |
|---|---|
| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2020 |
| País: | Brasil |
| Institución: | Universidade Estadual Paulista (UNESP) |
| Repositorio: | Repositório Institucional da UNESP |
| Idioma: | inglés |
| OAI Identifier: | oai:repositorio.unesp.br:11449/210442 |
| Acceso en línea: | http://dx.doi.org/10.1093/tas/txaa028 http://hdl.handle.net/11449/210442 |
| Access Level: | acceso abierto |
| Palabra clave: | dairy goat digesta kinetic digesta washing gastrointestinal tract fill sorting mechanism |
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oai:repositorio.unesp.br:11449/210442 |
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Brasil |
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| dc.title.none.fl_str_mv |
Body weight and sex effects on digesta mean retention time in growing Saanen goats |
| title |
Body weight and sex effects on digesta mean retention time in growing Saanen goats |
| spellingShingle |
Body weight and sex effects on digesta mean retention time in growing Saanen goats Gindri, Marcelo [UNESP] dairy goat digesta kinetic digesta washing gastrointestinal tract fill sorting mechanism |
| title_short |
Body weight and sex effects on digesta mean retention time in growing Saanen goats |
| title_full |
Body weight and sex effects on digesta mean retention time in growing Saanen goats |
| title_fullStr |
Body weight and sex effects on digesta mean retention time in growing Saanen goats |
| title_full_unstemmed |
Body weight and sex effects on digesta mean retention time in growing Saanen goats |
| title_sort |
Body weight and sex effects on digesta mean retention time in growing Saanen goats |
| dc.creator.none.fl_str_mv |
Gindri, Marcelo [UNESP] Leite, Rafael Fernandes [UNESP] Harter, Carla Joice [UNESP] Silva, Simone Pedro da [UNESP] St-Pierre, Normand Machado da Rocha Fernandes, Marcia Helena [UNESP] Berchielli, Telma Teresinha [UNESP] Molina de Almeida Teixeira, Izabelle Auxiliadora [UNESP] |
| author |
Gindri, Marcelo [UNESP] |
| author_facet |
Gindri, Marcelo [UNESP] Leite, Rafael Fernandes [UNESP] Harter, Carla Joice [UNESP] Silva, Simone Pedro da [UNESP] St-Pierre, Normand Machado da Rocha Fernandes, Marcia Helena [UNESP] Berchielli, Telma Teresinha [UNESP] Molina de Almeida Teixeira, Izabelle Auxiliadora [UNESP] |
| author_role |
author |
| author2 |
Leite, Rafael Fernandes [UNESP] Harter, Carla Joice [UNESP] Silva, Simone Pedro da [UNESP] St-Pierre, Normand Machado da Rocha Fernandes, Marcia Helena [UNESP] Berchielli, Telma Teresinha [UNESP] Molina de Almeida Teixeira, Izabelle Auxiliadora [UNESP] |
| author2_role |
author author author author author author author |
| dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Perdue AgriBusiness LLC |
| dc.subject.por.fl_str_mv |
dairy goat digesta kinetic digesta washing gastrointestinal tract fill sorting mechanism |
| topic |
dairy goat digesta kinetic digesta washing gastrointestinal tract fill sorting mechanism |
| description |
Despite the important role of digesta mean retention time (MRT) on digestive efficiency of ruminants, it is poorly investigated in total gastrointestinal tract (GIT) of growing ruminants, especially in goats. The objective of this study was to evaluate the effect of body weight (BW) and sex on GIT MRT of particles and solutes in growing Saanen goats. A dataset from two studies, comprising 103 individual records of castrated males (n = 36), females (n = 34), and intact males (n = 33) Saanen goats slaughtered at 15, 22, 30, 37, and 45 kg BW, was used. Goats were fed basically with total mixed ration composed by dehydrated corn plant (Zea mays) milled to pass a 10-mm screen, cracked corn grain, and soybean (Glycine max) meal. Variables evaluated were BW, feed intake, feed intake level, composition of ingested diet, wet weight of GIT tissues, wet digesta pool size, digesta composition (dry matter and neutral detergent fiber [NDF]), indigestible NDF:NDF ratio of ingested diet and GIT digesta, MRT of particles (MRTiNDF) and solutes (MRTCr), and reticulorumen selectivity factors (large particles/solutes). Reticulorumen, omasum, abomasum, small intestine, cecum, and colon-rectum segments were evaluated. The dataset was analyzed as mixed models considering sex, BW, and sex x BW interaction as fixed effects, and study and residual error as random effects. Sex did not affect MRTiNDF in any GIT segments. Females and intact males presented similar reticulorumen MRTCr (5.6 h; P = 0.92) and they presented lower reticulorumen MRTCr than castrated males (7.0; P <= 0.04). Total GIT MRTCr was similar between castrated males and females (15.7 h; P = 0.11) and between females and intact males (14.2 h; P = 0.76). Body weight (BW) did not affect MRTiNDF in reticulorumen and colon-rectum and total GIT MRTCr (P >= 0.11). Reticulorumen and omasum MRTCr increased as BW increased (P < 0.01), and abomasum MRTCr decreased as BW increased (P = 0.02). Feed intake, and wet tissues and wet pool size of all GIT segments increased as BW increased, except abomasum wet pool size (P <= 0.01). The mechanism related to sex effect on MRT has to be elucidated. Reticulorumen MRTiNDF and total GIT MRTCr were modulated by intake and capacity of reticulorumen and GIT, respectively. On the other hand, reticulorumen MRTCr seemed to be regulated by reticulo-omasal orifice opening and saliva secretion. |
| publishDate |
2020 |
| dc.date.none.fl_str_mv |
2020-04-01 2021-06-25T15:20:39Z 2021-06-25T15:20:39Z |
| dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
| dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
| format |
article |
| status_str |
publishedVersion |
| dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1093/tas/txaa028 Translational Animal Science. Cary: Oxford Univ Press Inc, v. 4, n. 2, p. 883-900, 2020. http://hdl.handle.net/11449/210442 10.1093/tas/txaa028 WOS:000567403900037 |
| url |
http://dx.doi.org/10.1093/tas/txaa028 http://hdl.handle.net/11449/210442 |
| identifier_str_mv |
Translational Animal Science. Cary: Oxford Univ Press Inc, v. 4, n. 2, p. 883-900, 2020. 10.1093/tas/txaa028 WOS:000567403900037 |
| dc.language.iso.fl_str_mv |
eng |
| language |
eng |
| dc.relation.none.fl_str_mv |
Translational Animal Science |
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info:eu-repo/semantics/openAccess |
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openAccess |
| dc.format.none.fl_str_mv |
883-900 |
| dc.publisher.none.fl_str_mv |
Oxford Univ Press Inc |
| publisher.none.fl_str_mv |
Oxford Univ Press Inc |
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Web of Science reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
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Universidade Estadual Paulista (UNESP) |
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UNESP |
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UNESP |
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Repositório Institucional da UNESP |
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Repositório Institucional da UNESP |
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Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
| repository.mail.fl_str_mv |
repositoriounesp@unesp.br |
| _version_ |
1853671415512825856 |
| spelling |
Body weight and sex effects on digesta mean retention time in growing Saanen goatsdairy goatdigesta kineticdigesta washinggastrointestinal tract fillsorting mechanismDespite the important role of digesta mean retention time (MRT) on digestive efficiency of ruminants, it is poorly investigated in total gastrointestinal tract (GIT) of growing ruminants, especially in goats. The objective of this study was to evaluate the effect of body weight (BW) and sex on GIT MRT of particles and solutes in growing Saanen goats. A dataset from two studies, comprising 103 individual records of castrated males (n = 36), females (n = 34), and intact males (n = 33) Saanen goats slaughtered at 15, 22, 30, 37, and 45 kg BW, was used. Goats were fed basically with total mixed ration composed by dehydrated corn plant (Zea mays) milled to pass a 10-mm screen, cracked corn grain, and soybean (Glycine max) meal. Variables evaluated were BW, feed intake, feed intake level, composition of ingested diet, wet weight of GIT tissues, wet digesta pool size, digesta composition (dry matter and neutral detergent fiber [NDF]), indigestible NDF:NDF ratio of ingested diet and GIT digesta, MRT of particles (MRTiNDF) and solutes (MRTCr), and reticulorumen selectivity factors (large particles/solutes). Reticulorumen, omasum, abomasum, small intestine, cecum, and colon-rectum segments were evaluated. The dataset was analyzed as mixed models considering sex, BW, and sex x BW interaction as fixed effects, and study and residual error as random effects. Sex did not affect MRTiNDF in any GIT segments. Females and intact males presented similar reticulorumen MRTCr (5.6 h; P = 0.92) and they presented lower reticulorumen MRTCr than castrated males (7.0; P <= 0.04). Total GIT MRTCr was similar between castrated males and females (15.7 h; P = 0.11) and between females and intact males (14.2 h; P = 0.76). Body weight (BW) did not affect MRTiNDF in reticulorumen and colon-rectum and total GIT MRTCr (P >= 0.11). Reticulorumen and omasum MRTCr increased as BW increased (P < 0.01), and abomasum MRTCr decreased as BW increased (P = 0.02). Feed intake, and wet tissues and wet pool size of all GIT segments increased as BW increased, except abomasum wet pool size (P <= 0.01). The mechanism related to sex effect on MRT has to be elucidated. Reticulorumen MRTiNDF and total GIT MRTCr were modulated by intake and capacity of reticulorumen and GIT, respectively. On the other hand, reticulorumen MRTCr seemed to be regulated by reticulo-omasal orifice opening and saliva secretion.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Univ Estadual Paulista, Dept Anim Sci, BR-14884900 Jaboticabal, SP, BrazilPerdue AgriBusiness LLC, Salisbury, MD 21804 USAUniv Estadual Paulista, Dept Anim Sci, BR-14884900 Jaboticabal, SP, BrazilFAPESP: 2008/57302-0CAPES: PVE 061/2011CNPq: 141615/2017-6Oxford Univ Press IncUniversidade Estadual Paulista (Unesp)Perdue AgriBusiness LLC2021-06-25T15:20:39Z2021-06-25T15:20:39Z2020-04-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article883-900http://dx.doi.org/10.1093/tas/txaa028Translational Animal Science. Cary: Oxford Univ Press Inc, v. 4, n. 2, p. 883-900, 2020.http://hdl.handle.net/11449/21044210.1093/tas/txaa028WOS:000567403900037Web of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengTranslational Animal Scienceinfo:eu-repo/semantics/openAccessGindri, Marcelo [UNESP]Leite, Rafael Fernandes [UNESP]Harter, Carla Joice [UNESP]Silva, Simone Pedro da [UNESP]St-Pierre, NormandMachado da Rocha Fernandes, Marcia Helena [UNESP]Berchielli, Telma Teresinha [UNESP]Molina de Almeida Teixeira, Izabelle Auxiliadora [UNESP]2024-06-07T18:38:56Zoai:repositorio.unesp.br:11449/210442Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestrepositoriounesp@unesp.bropendoar:29462024-06-07T18:38:56Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
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15,301629 |